diff --git a/AUTHORS b/AUTHORS
index cd1bb2002f..cd136fe06c 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -221,6 +221,7 @@ answer newbie questions, and generally made Django that much better:
     Aaron Swartz <http://www.aaronsw.com/>
     Ville Säävuori <http://www.unessa.net/>
     Tyson Tate <tyson@fallingbullets.com>
+    Frank Tegtmeyer <fte@fte.to>
     thebjorn <bp@datakortet.no>
     Zach Thompson <zthompson47@gmail.com>
     Tom Tobin
diff --git a/django/contrib/sessions/models.py b/django/contrib/sessions/models.py
index 77718407e1..521a2abee9 100644
--- a/django/contrib/sessions/models.py
+++ b/django/contrib/sessions/models.py
@@ -1,4 +1,4 @@
-import base64, md5, random, sys, datetime
+import base64, md5, random, sys, datetime, os, time
 import cPickle as pickle
 from django.db import models
 from django.utils.translation import gettext_lazy as _
@@ -14,9 +14,9 @@ class SessionManager(models.Manager):
     def get_new_session_key(self):
         "Returns session key that isn't being used."
         # The random module is seeded when this Apache child is created.
-        # Use person_id and SECRET_KEY as added salt.
+        # Use SECRET_KEY as added salt.
         while 1:
-            session_key = md5.new(str(random.randint(0, sys.maxint - 1)) + str(random.randint(0, sys.maxint - 1)) + settings.SECRET_KEY).hexdigest()
+            session_key = md5.new("%s%s%s%s" % (random.randint(0, sys.maxint - 1), os.getpid(), time.time(), settings.SECRET_KEY)).hexdigest()
             try:
                 self.get(session_key=session_key)
             except self.model.DoesNotExist: